#10275E#10275E

#10275E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.103 H 264.0°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#10275E
RGB	rgb(16, 39, 94)
HSL	hsl(222, 71%, 22%)
HSV	hsv(222, 83%, 37%)
CMYK	cmyk(83%, 58.5%, 0%, 63.1%)
CIE-LAB	lab(17.32, 13.69, -35.39)
CIE-LCH	lch(17.32, 37.95, 291.14°)
OKLab	oklab(29.21% -0.0108 -0.1021)
OKLCH	oklch(29.21% 0.103 264)
XYZ	xyz(2.9589, 2.3690, 10.8888)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10275E #5E4710

analogous

#104E5E #10275E #20105E

triadic

#10275E #5E1027 #275E10

tetradic

#10275E #5E104E #5E4710 #105E20

square

#10275E #5E104E #5E4710 #105E20

split-complementary

#10275E #5E2010 #4E5E10

monochromatic

#040B1A #07112A #10275E #193D92 #2252C7

Accessibility & contrast

On white

14.25

#10275E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#10275E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10275E

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10275E	#FFFFFF	#000000	##FFFFFF
##10275E	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #10275e;
/* rgb */ color: rgb(16, 39, 94);
/* oklch */ color: oklch(29.2% 0.103 264.0);

Tailwind

colors: {
  custom: {
    50: '#5c608c',
    500: '#10275e',
    950: '#000000',
  },
}

SCSS

$custom: #10275e;
$custom-light: #5c608c;
$custom-dark: #000000;

JSON

{
  "hex": "#10275e",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 94
  },
  "hsl": {
    "h": 222.308,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.29208,
    "c": 0.10263,
    "h": 264
  },
  "luminance": 0.02369
}

Semantic roles & 50–950 ramp

primary

#10275E

secondary

#977933

accent

#B93AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10275E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →